package m1_simple;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

import java.io.IOException;

public class Producer {
    public static void main(String[] args) throws Exception {
        //1.连接 创建连接和通道
        ConnectionFactory f = new ConnectionFactory();
        f.setHost("www.wht6.cn");
        f.setPort(5672);
        f.setUsername("admin");
        f.setPassword("admin");
        f.setVirtualHost("/liuj");
        Connection con = f.newConnection();
        Channel c = con.createChannel();
        //2.定义队列
        //告诉服务器我们要使用的队列是哪个队列
        //如果已经存在直接使用
        //如果不存在，mq服务器会新建队列
        c.queueDeclare("helloworld",false,false,false,null);

        //3.发送消息
        c.basicPublish("", "helloworld", null, "Hello world".getBytes());
        System.out.println("消息已发送");
        //4.断开连接
        c.close();
        con.close();
    }
}
